* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    -webkit-app-region: drag;
    -webkit-user-select: none;
    user-select: none;
}
button {
    -webkit-app-region: no-drag;
}
.title {
    font-size: 30px;
    line-height: 100vh;
}